Exterior Refrigerator Water Filter Assembly for Tool-Free Replacement
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Solution Overview
Problem
Existing water filter assemblies in refrigerators are often inconvenient to replace, as they occupy interior space, require special tools, and are not easily accessible, leading to neglect in filter replacement.
Innovation Solution
A water filter assembly with a compact, exterior-mounted design featuring a housing with a door for easy access, a manifold with an inlet and outlet, and a valve that automatically cuts off water supply during filter replacement, allowing for quick and tool-free filter changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the water filter assembly is placed in the interior of the refrigerator, then the filter is protected from view, but the overall volume of storage space is reduced and access becomes difficult
Solution Approach 1:
The water filter assembly is extracted from the interior of the refrigerator and mounted on the exterior surface. This allows the filter to be easily accessible for replacement while preserving the full interior storage volume of the refrigerator.
Solution Approach 2:
The filter assembly is moved from the interior three-dimensional space to the exterior surface, utilizing the external dimension of the refrigerator. This dimensional transition provides easy access for filter replacement without compromising interior storage capacity.
2Ease of operation
If the water filter assembly is placed in the rear of the unit, then it is hidden from view, but the user will not notice that replacement is needed and special tools may be required
Solution Approach 1:
The filter assembly is designed with a user-friendly interface that allows consumers to easily monitor filter status and perform replacements without requiring special tools or technical expertise. The system serves itself by providing clear visual indicators and simple access mechanisms.
Solution Approach 2:
The filter assembly includes visual indicators that change color or provide visual feedback to notify users when filter replacement is needed. This ensures users notice the replacement requirement at a glance without having to search for the filter location.
3Adaptability or versatility
If the water filter assembly occupies interior space, then it is integrated into the refrigerator structure, but it reduces the valuable storage volume of the refrigerator
Solution Approach 1:
The water filter assembly is extracted from the interior space and relocated to the exterior surface of the refrigerator. This extraction eliminates the trade-off between filter integration and storage volume, as the filter now occupies external space while the interior remains fully available for food storage.
4Reliability
If the filter replacement process requires extensive instructions or removal of refrigerator components, then the filter assembly is securely integrated, but the replacement process becomes time-consuming and discourages regular maintenance
Solution Approach 1:
The filter assembly is designed to be self-servicing, allowing users to easily replace filters without requiring extensive instructions or disassembly of refrigerator components. The system provides intuitive operation and quick access mechanisms that enable rapid filter replacement.
Solution Approach 2:
The filter assembly is segmented into modular components that can be easily accessed and replaced independently. This segmentation allows the filter cartridge to be quickly swapped out without affecting the overall refrigerator structure or requiring removal of other components.
Data Source
AI summary
A water filter assembly including a water filter housing and a manifold coupled to the water filter housing. The manifold includes an inlet and an outlet. Filters are disposed in the water filter housing. The water filter assembly has a door. The door is disposed on the water filter housing providing selective access to the water filter housing. The door is connected to the water filter housing to open and close to replace the plurality of filters. The water filter assembly also has a valve associated with at least one of the plurality of filters. The valve is manipulated from an opened to a closed position to close the inlet when the filters are removed from the water filter housing.